CHARACTERIZATION OF THE PIAU FISH (Leporinus elongatus) SCALES AND THEIR APPLICATION TO REMOVE Cu(II) FROM AQUEOUS SOLUTIONS

被引：0
|
作者：
Santos, Elias de Barros [1 ]
da Silva Vieira, Eunice Fragoso [1 ]
Cestari, Antonio Reinaldo [1 ]
Barreto, Ledjane Silva [1 ]
机构：
[1] Univ Fed Sergipe, Dept Quim, Ctr Ciencias & Estudos Tecnol, BR-49100000 Sao Cristovao, SE, Brazil
来源：
QUIMICA NOVA | 2009年 / 32卷 / 01期
关键词：
bioadsorbents; fish scales; copper adsorption; WASTE-WATER; ADSORPTION; RECOVERY;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Characterization of fish scales of Leporinus elongatus and their application in the removal of Cu(II) from aqueous solutions are described. It was observed that the scales are mainly formed by hydroxyapatite and type I collagen. Adsorption of Cu(II) was performed using batch experiments at 25 0C. The ANOVA statistical results have shown that the Langmuir model was successful applied to determine the maximum adsorption capacity of 2.686 x 10(-4) mol g(-1) and the Langmuir equilibrium parameter (b) of 168.8 L mol(-1). The Langmuir separation parameter, R-L, has shown favorable adsorption of Cu(II) on the scales.
引用
收藏
页码：134 / 138
页数：5
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